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male gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST GRIND

Irregular verb: grind - ground - ground


Affirmation

Simple form
I must grind
you must grind
she must grind
we must grind
you must grind
they must grind
V-ing form
I must be grinding
you must be grinding
she must be grinding
we must be grinding
you must be grinding
they must be grinding
Perfect
I must have ground
you must have ground
she must have ground
we must have ground
you must have ground
they must have ground
V-ing perfect
I must have been grinding
you must have been grinding
she must have been grinding
we must have been grinding
you must have been grinding
they must have been grinding

Negation

Simple form
I must not grind
you must not grind
she must not grind
we must not grind
you must not grind
they must not grind
V-ing form
I must not be grinding
you must not be grinding
she must not be grinding
we must not be grinding
you must not be grinding
they must not be grinding
Perfect
I must not have ground
you must not have ground
she must not have ground
we must not have ground
you must not have ground
they must not have ground
V-ing perfect
I must not have been grinding
you must not have been grinding
she must not have been grinding
we must not have been grinding
you must not have been grinding
they must not have been grinding

Interrogative form

Simple form
must I grind?
must you grind?
must she grind?
must we grind?
must you grind?
must they grind?
V-ing form
must I be grinding?
must you be grinding?
must she be grinding?
must we be grinding?
must you be grinding?
must they be grinding?
Perfect
must I have ground?
must you have ground?
must she have ground?
must we have ground?
must you have ground?
must they have ground?
V-ing perfect
must I have been grinding?
must you have been grinding?
must she have been grinding?
must we have been grinding?
must you have been grinding?
must they have been grinding?

Interro-negative form

Simple form
must I not grind?
must you not grind?
must she not grind?
must we not grind?
must you not grind?
must they not grind?
V-ing form
must I not be grinding?
must you not be grinding?
must she not be grinding?
must we not be grinding?
must you not be grinding?
must they not be grinding?
Perfect
must I not have ground?
must you not have ground?
must she not have ground?
must we not have ground?
must you not have ground?
must they not have ground?
V-ing perfect
must I not have been grinding?
must you not have been grinding?
must she not have been grinding?
must we not have been grinding?
must you not have been grinding?
must they not have been grinding?